1.

Which of the following are the correct equations for take-off run?(a) FN+D-WsinγR-μrR=mV̇(b) R-L=WcosγR(c) R-L=WsinγR(d) FN-D-WsinγR-μrR=mV̇The question was posed to me in an interview.The origin of the question is Estimation of Take-off Distances topic in chapter Take-off and Landing Performance of Aircraft Performance

Answer»

The CORRECT ANSWER is (d) FN-D-WsinγR-μrR=mV̇

Best EXPLANATION: The EQUATIONS derived for the take-off run are as follows:

FN-D-WsinγR-μrR=mV̇

R+L=WcosγR



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